From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Gavin Shan <gshan@redhat.com>
Cc: mark.rutland@arm.com, catalin.marinas@arm.com,
james.morse@arm.com, shan.gavin@gmail.com, will@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 16/17] drivers/firmware/sdei: Retrieve event signaled property on registration
Date: Thu, 23 Jul 2020 16:24:23 +0100 [thread overview]
Message-ID: <20200723162423.000019ea@Huawei.com> (raw)
In-Reply-To: <20200722095740.28560-17-gshan@redhat.com>
On Wed, 22 Jul 2020 19:57:39 +1000
Gavin Shan <gshan@redhat.com> wrote:
> This retrieves the event signaled property when it's created for the
> first time. The property will be needed when SDEI virtualization is
> supported.
>
> Signed-off-by: Gavin Shan <gshan@redhat.com>
These last two patches are probably fine but hard to tell without a user.
Jonathan
> ---
> drivers/firmware/arm_sdei.c | 6 ++++++
> include/linux/arm_sdei.h | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
> index cf10fec57f2a..7518d3febf53 100644
> --- a/drivers/firmware/arm_sdei.c
> +++ b/drivers/firmware/arm_sdei.c
> @@ -204,6 +204,12 @@ static struct sdei_event *sdei_event_create(u32 event_num,
> goto fail;
> event->type = result;
>
> + err = sdei_api_event_get_info(event_num, SDEI_EVENT_INFO_EV_SIGNALED,
> + &result);
> + if (err)
> + goto fail;
> + event->signaled = result;
> +
> if (event->type == SDEI_EVENT_TYPE_SHARED) {
> reg = kzalloc(sizeof(*reg), GFP_KERNEL);
> if (!reg) {
> diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
> index 11af6410dd52..7f3ed7e4b680 100644
> --- a/include/linux/arm_sdei.h
> +++ b/include/linux/arm_sdei.h
> @@ -51,6 +51,7 @@ struct sdei_event {
> u32 event_num;
> u8 type;
> u8 priority;
> + u8 signaled;
>
> /* This pointer is handed to firmware as the event argument. */
> union {
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next prev parent reply other threads:[~2020-07-23 15:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 9:57 [PATCH v2 00/17] Refactor SDEI client driver Gavin Shan
2020-07-22 9:57 ` [PATCH v2 01/17] drivers/firmware/sdei: Remove sdei_is_err() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 02/17] drivers/firmware/sdei: Common block for failing path in sdei_event_create() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 03/17] drivers/firmware/sdei: Retrieve event number from event instance Gavin Shan
2020-07-22 9:57 ` [PATCH v2 04/17] drivers/firmware/sdei: Avoid nested statements in sdei_init() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 05/17] drivers/firmware/sdei: Unregister driver on error " Gavin Shan
2020-07-22 9:57 ` [PATCH v2 06/17] drivers/firmware/sdei: Remove duplicate check in sdei_get_conduit() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 07/17] drivers/firmware/sdei: Remove Drop redundant error message in sdei_probe() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 08/17] drivers/firmware/sdei: Remove while loop in sdei_event_register() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 09/17] drivers/firmware/sdei: Remove while loop in sdei_event_unregister() Gavin Shan
2020-07-23 15:51 ` Jonathan Cameron
2020-07-27 0:22 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 10/17] drivers/firmware/sdei: Cleanup on cross call function Gavin Shan
2020-07-23 15:52 ` Jonathan Cameron
2020-07-27 0:33 ` Gavin Shan
2020-07-27 8:58 ` Jonathan Cameron
2020-07-27 9:45 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 11/17] drivers/firmware/sdei: Introduce sdei_do_local_call() Gavin Shan
2020-07-23 15:25 ` Jonathan Cameron
2020-07-27 0:41 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 12/17] drivers/firmware/sdei: Remove _sdei_event_register() Gavin Shan
2020-07-23 15:25 ` Jonathan Cameron
2020-07-27 0:42 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 13/17] drivers/firmware/sdei: Remove _sdei_event_unregister() Gavin Shan
2020-07-22 9:57 ` [PATCH v2 14/17] drivers/firmware/sdei: Move struct sdei_event to header file Gavin Shan
2020-07-23 15:19 ` Jonathan Cameron
2020-07-27 0:46 ` Gavin Shan
2020-07-27 9:02 ` Jonathan Cameron
2020-07-27 9:59 ` Gavin Shan
2020-07-27 13:50 ` Jonathan Cameron
2020-07-28 2:52 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 15/17] drivers/firmware/sdei: Identify event by struct sdei_event Gavin Shan
2020-07-22 9:57 ` [PATCH v2 16/17] drivers/firmware/sdei: Retrieve event signaled property on registration Gavin Shan
2020-07-23 15:24 ` Jonathan Cameron [this message]
2020-07-27 0:53 ` Gavin Shan
2020-07-27 9:04 ` Jonathan Cameron
2020-07-27 10:03 ` Gavin Shan
2020-07-27 13:56 ` Jonathan Cameron
2020-07-28 2:56 ` Gavin Shan
2020-07-22 9:57 ` [PATCH v2 17/17] drivers/firmware/sdei: Add sdei_event_get_info() Gavin Shan
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